CN101380650A - Method for attaching a sensor at an exhaust gas treating device - Google Patents

Method for attaching a sensor at an exhaust gas treating device Download PDF

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Publication number
CN101380650A
CN101380650A CNA2008102143907A CN200810214390A CN101380650A CN 101380650 A CN101380650 A CN 101380650A CN A2008102143907 A CNA2008102143907 A CN A2008102143907A CN 200810214390 A CN200810214390 A CN 200810214390A CN 101380650 A CN101380650 A CN 101380650A
Authority
CN
China
Prior art keywords
insert
housing
supporting pad
receptacle openings
detector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA2008102143907A
Other languages
Chinese (zh)
Inventor
马库斯·康茨
贝恩德·米勒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eberspaecher Climate Control Systems GmbH and Co KG
Original Assignee
J Eberspaecher GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=42989452&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CN101380650(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by J Eberspaecher GmbH and Co KG filed Critical J Eberspaecher GmbH and Co KG
Publication of CN101380650A publication Critical patent/CN101380650A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2825—Ceramics
    • F01N3/2828—Ceramic multi-channel monoliths, e.g. honeycombs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/008—Mounting or arrangement of exhaust sensors in or on exhaust apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
    • F01N3/2853—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

The present invention relates to a method for installing a probe (6) on an exhaust gas treatment device (1), which has at least one ceramic insert (3) secured in a metallic housing (2) by means of a bearing mat, with which a receptacle opening (7) for receiving the probe (6), penetrating through the housing (2) and the bearing mat (5) and into the insert is created when the insert (3) has already been inserted into the housing (2) and secured there with the bearing mat (5).

Description

Detector is installed in method on the exhaust gas treatment device
Technical field
The present invention relates to a kind of detector is installed to method on the exhaust gas treatment device, it is characterized in that having simplified production method and/or reduce tolerance and/or receptacle openings can more accurate aligning.
This problem can be according to the present invention the theme of independent claims solve.Preferred implementation is the theme that dependent claims limited.
Background technology
In a plurality of exhaust gas treatment devices such as particulate filter and catalyst, need to arrange at least one detector, as lambda seeker and NOX detector.Exhaust gas treatment device commonly used comprises at least one ceramic insert, and this insert is fixed in the metal shell by supporting pad.For detector being installed in such exhaust gas treatment device, need one to pass the receptacle openings that housing and supporting pad enter insert.Detector can insert this receptacle openings then.
In order to make this receptacle openings, at first to before inserting insert and supporting pad, on housing, process corresponding opening.Same, before inserting housing, insert to process corresponding opening thereon.Further, before the insert bending, on supporting pad, also to process corresponding grooves.In the process of the insert bending that has supporting pad, the groove on the supporting pad must accurately be aimed at the location mutually with the opening on the insert.The ensuing insert that has the bent support pad is inserted in the process of housing (so-called cylinder), and opening and/or grooves different on housing, supporting pad and the insert also must keep aiming at.On the one hand, must carefully aim between opening in the cylinder and/or the groove, be subjected to the influence of tolerance simultaneously on the other hand.Further, when inserting opening, this pottery insert must fixedly be avoided bringing damage to frangible insert in the mode of relative complex.
Method at processing opening on the metal shell is open in following file: DE 10 2,004 013640 A1, FR 2 851 486 A1, DE 42 24 131 A1, EP 1 364 724 A1 and DE 103 20140 A1.
Summary of the invention
General idea of the present invention is based upon on the basis of having only ability mounting receptacle opening when insert is fixed in the housing by supporting pad.Corresponding receptacle openings is installed from the outside, passes housing and supporting pad and penetrates insert.This method makes between housing, supporting pad and the insert separately opening and/or groove realize optimum alignment.By this method, particularly advantageous is that insert fully has been fixed in the housing, the risk of bringing in the time of can avoiding the opening on processing insertion body to the damage of insertion body.On this degree, avoided the independent connection of processing opening on the insert.In general, provided an easy method of making receptacle openings.
In one embodiment, particularly advantageous, receptacle openings is by brill processing and/or by the machining manufacturing.This method is special the mitigation for ceramic insert, therefore reduced the risk of insert being brought damage.
Key character that the present invention is other and advantage can obtain in dependent claims, accompanying drawing and the corresponding description to accompanying drawing.
Self-evident, that mentioned above not only can be applied in the specific combination that provides with the following feature that will illustrate, also can be applied under the situation that does not exceed scope of the present invention in other combinations, or use separately.
The preferred embodiments of the present invention are shown in the drawings, and will be in the following description introduce in detail, the identical or similar elements of wherein same Reference numeral representative or have the element of identical function.
Description of drawings
In the accompanying drawings:
Accompanying drawing 1 to 5: each shows the different phase of installing in the detector process, the longitudinal sectional drawing of the simplification of an exhaust gas treatment device part.
The specific embodiment
With reference to the accompanying drawings 5, exhaust gas treatment device 1 comprises a housing 2, and only part illustrates here.This housing 2 is made of metal, and is preferably the tubular body of circumferential sealing, is generally the body that the metal molded plate forms.Housing 2 housings have infundibulate depression at an axial end portion at least.Exhaust gas treatment device 1 also has at least one insert 3 of being made by ceramic material, and this can be a monolithic insert 3.Same, this insert 3 also can assemble multi-disc.This pump-down process insert 1 can be designed as a kind of catalyst, and for example, corresponding insert 3 is as the carrier or the matrix of corresponding catalyst material.Same, exhaust gas treatment device 1 can be a kind of particulate filter, for example, corresponding insert 3 has filtering function.Insert 3 has a plurality of parallel channels (not shown) usually here, and the center longitudinal axis 4 that this parallel channels is parallel to exhaust gas treatment device 1 extends.
Corresponding insert 3 is fixed in the housing 2 by at least one supporting pad 5.Supporting pad 5 circumferential hoops are generally one deck structure around insert 3.Same, also can be multi-layer gasket.Supporting pad 5 has been for providing heat insulation between housing 2 and the insert 3, in the higher temperature environment that housing 2 produces when being in the gas extraction system running at pump-down process insert 1 place.In addition, supporting pad can carry out damping to the insert 3 in the support housing 2, and the vibration that for example reduces to produce when the motor vehicle operation that above-mentioned gas extraction system is installed brings the risk of damage to frangible insert 3.In addition, supporting pad 5 is used for insert 3 is fixed on ad-hoc location in the housing 2.In order to achieve the above object, supporting pad 5 radially is compressed between insert 3 and the housing 2 with respect to center longitudinal axis 4.Because the elastic-restoring force of supporting pad material, this radially precompressed produced enough confining forces and made between insert 3 and the housing 2 fixedly connected.
With reference to the accompanying drawings 5, exhaust gas treatment device 1 has at least one detector 6, and this detector 6 places in the receptacle openings 7.Detector 6 can be lambda seeker, oxygen sensor, NOX detector, hygrosensor or pressure detector etc.Receptacle openings 7 is passed housing 2 and is also passed supporting pad 5.Further, this receptacle openings 7 penetrates in the insert 3.Detector 6 stretches in the receptacle openings 7 and/or detector 6 inserts in the receptacle openings 7.An accessory 8 is provided, is connected, make detector 6 be fixed on the pump-down process insert 1 with housing 2.
Below introduce in detail detector 6 be installed in installation method on the exhaust gas treatment device 1.
At first, insert 3 is inserted in the housing 2 according to the usual manner shown in the accompanying drawing 1-3, and insert 3 is fixed in the housing by supporting pad 5.In this so-called cylinder, insert 3 is as shown in Figure 1 at first covered along circumference by the supporting pad 5 shown in the accompanying drawing 2 in tube-like envelope 2, insert 3 axially inserts in the housing 2 with the supporting pad that covers thereon then, and this inserted mode can adopt multiple means.At first, housing 2 can have an enlarged diameter, has in the insertion housing 2 that the insert 3 of supporting pad 5 can be relatively easy, promptly is parallel to center longitudinal axis 4.Then, housing 2 can mouldingly again make its reduced, like this supporting pad 5 has been brought required pressure.In addition, also can make insert 3 can insert in the housing 2, make supporting pad 5 pressurizeds simultaneously by infundibulate depression or other similar fashion together with the supporting pad on it 5.
The state that insert 3 is placed in the housing 2 and is fixed therein by the supporting pad 5 of pressurized radially as shown in Figure 3.
According to the present invention, as shown in Figure 4, when insert 3 is fixed in the housing 2 by supporting pad 5, process receptacle openings 7, for example, use conventional machining means.This receptacle openings 7 can form or grinding formation for boring.Special advantage is only to fix shell 2 with corresponding instrument and get final product when processing receptacle openings 7.Do not need independent or extra connection to fix supporting pad 5 and/or insert 3, because be firmly secured in the housing 2 under the effect of the radial pressure of the supporting pad 5 between insert 3 and housing 2 of supporting pad 5 and insert 3.Facilitate processing receptacle openings 7 like this.Further, owing to adopted the method for above-mentioned processing receptacle openings 7, make part opening separately on housing 2, supporting pad 5 and the insert 3 realize the effect of best alignment each other automatically.
With reference to the accompanying drawings 5, accessory 8 then is connected to the outside of housing 2.For example, accessory 8 can or be welded to the outside of housing 2 by soldering.Also can adopt other connection means.Accessory 8 is designed to be able to make detector 6 to fix within it, and makes detector 6 stretch into enough distances in the receptacle openings 7, and for example, accessory 8 can have the screw thread (not shown), and detector 6 can screw in its threaded engagement.
Among the embodiment shown here, receptacle openings 7 is a radial opening with respect to center longitudinal axis 4.Clearly also can adopt the opening of any other direction.

Claims (7)

1. one kind is installed to method on the exhaust gas treatment device (1) with detector (6), it is characterized in that, at least one ceramic insert (3) is fixed in the metal shell (2) by at least one supporting pad (5), wherein working as insert (3) has inserted in the housing (2), and when being fixed in wherein by supporting pad (5), receptacle openings (7) passes housing (2) and supporting pad (5) enters insert (3), and receptacle openings (7) is used to hold detector (6).
2. the method for claim 1 is characterized in that, this receptacle openings (7) is by boring processing and/or machining manufacturing.
3. method as claimed in claim 1 or 2 is characterized in that, accessory (8) is connected the outside of housing (2), and detector (6) is so that its mode that can stretch in the receptacle openings (7) is fixed on the accessory.
4. method as claimed in claim 3 is characterized in that, accessory (8) soldering or be welded on the housing (2).
5. as claim 3 or 4 described methods, it is characterized in that accessory (8) has screw thread, detector (6) screws in its threaded engagement.
6. as each described method of claim 1-5, it is characterized in that receptacle openings (7) is with respect to center longitudinal axis (4) radial arrangement of exhaust gas treatment device (1).
7. exhaust gas treatment device, especially a kind of internal combustion engine, especially the used particulate filter of the gas extraction system of the internal combustion engine of motor vehicles or and catalyst, comprise at least one ceramic insert (3), this insert (3) is fixed in the metal shell (2) by at least one supporting pad (5), at least one receptacle openings (7) is provided, be used to hold detector (6), in insert (3) has inserted housing (2), and when being fixed in wherein by supporting pad (5), receptacle openings (7) is passed housing (2) and supporting pad (5) and is penetrated in the insert (3).
CNA2008102143907A 2007-09-06 2008-09-05 Method for attaching a sensor at an exhaust gas treating device Pending CN101380650A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102007042281.6 2007-09-06
DE102007042281A DE102007042281A1 (en) 2007-09-06 2007-09-06 Method for attaching a probe to an exhaust gas treatment device
PCT/EP2008/062623 WO2010031450A1 (en) 2007-09-06 2008-09-22 Method for applying a probe to an exhaust gas treatment device

Publications (1)

Publication Number Publication Date
CN101380650A true CN101380650A (en) 2009-03-11

Family

ID=42989452

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2008102143907A Pending CN101380650A (en) 2007-09-06 2008-09-05 Method for attaching a sensor at an exhaust gas treating device

Country Status (8)

Country Link
US (1) US20090064662A1 (en)
EP (1) EP2034150B1 (en)
JP (1) JP2009062984A (en)
KR (1) KR20090026080A (en)
CN (1) CN101380650A (en)
AT (1) ATE454540T1 (en)
DE (2) DE102007042281A1 (en)
WO (1) WO2010031450A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102606261A (en) * 2011-01-20 2012-07-25 揖斐电株式会社 Method of manufacturing exhaust gas purifying apparatus and exhaust gas purifying apparatus
CN106826105A (en) * 2015-12-04 2017-06-13 埃贝斯佩歇排气技术有限责任两合公司 Method for manufacturing catalyst converter housing system with least one sensor support base, for vehicle exhaust equipment

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US7959112B2 (en) * 2006-12-20 2011-06-14 Progress Rail Services Corp Wheel detection and classification system for railroad data network
GB201915285D0 (en) * 2019-10-22 2019-12-04 Johnson Matthey Catalysts Germany Gmbh System and method for monitoring exhaust gas

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Publication number Priority date Publication date Assignee Title
CN102606261A (en) * 2011-01-20 2012-07-25 揖斐电株式会社 Method of manufacturing exhaust gas purifying apparatus and exhaust gas purifying apparatus
CN106826105A (en) * 2015-12-04 2017-06-13 埃贝斯佩歇排气技术有限责任两合公司 Method for manufacturing catalyst converter housing system with least one sensor support base, for vehicle exhaust equipment
US10385755B2 (en) 2015-12-04 2019-08-20 Eberspächer Exhaust Technology GmbH & Co. KG Method for manufacturing a catalytic converter housing arrangement with at least one sensor carrier for an exhaust system of a vehicle

Also Published As

Publication number Publication date
US20090064662A1 (en) 2009-03-12
JP2009062984A (en) 2009-03-26
DE102007042281A1 (en) 2009-03-12
ATE454540T1 (en) 2010-01-15
DE502008000296D1 (en) 2010-02-25
KR20090026080A (en) 2009-03-11
WO2010031450A1 (en) 2010-03-25
EP2034150A1 (en) 2009-03-11
EP2034150B1 (en) 2010-01-06

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Open date: 20090311